Changed the default value of tabIndex of <fieldset> and <output> to be -1 as they are non-focusable…

third_party/WebKit/Source/core/html/HTMLOutputElement.h

Index: third_party/WebKit/Source/core/html/HTMLOutputElement.h
diff --git a/third_party/WebKit/Source/core/html/HTMLOutputElement.h b/third_party/WebKit/Source/core/html/HTMLOutputElement.h
index 48a069c1c9105f3db70849772249e5d1d47ff19e..b46abf93eb5454914abdb1033ed3c82e5bdda46d 100644
--- a/third_party/WebKit/Source/core/html/HTMLOutputElement.h
+++ b/third_party/WebKit/Source/core/html/HTMLOutputElement.h
@@ -74,6 +74,8 @@ private:
     bool m_isDefaultValueMode;
     String m_defaultValue;
     Member<DOMTokenList> m_tokens;
+
+    short tabIndex() const final;

[tkent, 2016/09/01 23:27:24]

Please move it to the private override block above.  e.g. to next to
|supportsFocus()|.

[lunalu1, 2016/09/02 01:07:39]

Done.

 };
 
 } // namespace blink